DE3737073A1 - Process for joining moulded polyolefins to rubber - Google Patents

Process for joining moulded polyolefins to rubber

Info

Publication number
DE3737073A1
DE3737073A1 DE19873737073 DE3737073A DE3737073A1 DE 3737073 A1 DE3737073 A1 DE 3737073A1 DE 19873737073 DE19873737073 DE 19873737073 DE 3737073 A DE3737073 A DE 3737073A DE 3737073 A1 DE3737073 A1 DE 3737073A1
Authority
DE
Germany
Prior art keywords
polyolefins
rubber
vulcanized
molded
radiation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19873737073
Other languages
German (de)
Inventor
Heinz Oppermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PLASTIGUM AG
LOESING HEINZ PETER
Original Assignee
PLASTIGUM AG
LOESING HEINZ PETER
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PLASTIGUM AG, LOESING HEINZ PETER filed Critical PLASTIGUM AG
Priority to DE19873737073 priority Critical patent/DE3737073A1/en
Publication of DE3737073A1 publication Critical patent/DE3737073A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/16—Surface shaping of articles, e.g. embossing; Apparatus therefor by wave energy or particle radiation, e.g. infrared heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/16—EPM, i.e. ethylene-propylene copolymers; EPDM, i.e. ethylene-propylene-diene copolymers; EPT, i.e. ethylene-propylene terpolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)

Abstract

Although hitherto it has been possible to obtain contact adhesion between polyolefins and rubber, it has not been possible to obtain firm adhesive bonding. The firm adhesive bonding is obtained if moulded polyolefins are radiation-treated and vulcanised together with rubber. Use for mouldings and panels.

Description

Die Erfindung betrifft ein Verfahren zum Verbinden von geformten Polyolefinen mit Kautschuk.The invention relates to a method for connecting molded polyolefins with rubber.

Polyolefine gehören zu den Kunststoffen, die bei Raum­ temperatur wegen ihrer chemischen Beständigkeit nicht angelöst werden können. Ihre wachsartige Oberfläche ist außerdem weitgehend unpolar aufgebaut. Um sie kleben zu können, müssen diese Oberflächen zunächst aktiviert werden. Dies geschieht nach Oberflächenvorbehandlungs­ verfahren, die im Prinzip denen gleichen, die ange­ wendet werden, um Kunststoffoberflächen für das Be­ drucken vorzubereiten. So vorbereitet sind Haftklebungen ausführbar. Festklebungen lassen sich nicht herstellen (Röber/Vowinkel "Kunststoffe im Apparatebau I - Schweißen, Kleben, Trennen, Fügen von PVC und Polyole­ finen -" Karl Hanser Verlag, München 1972, S. 124).Polyolefins are one of the plastics used in space temperature because of its chemical resistance can be solved. Their waxy surface is also largely non-polar. To stick them too , these surfaces must first be activated will. This happens after surface pretreatment procedures that are basically the same as those specified be applied to plastic surfaces for loading prepare to print. This is how PSAs are prepared executable. Fixed bonds cannot be made (Röber / Vowinkel "plastics in apparatus construction I - Welding, gluing, cutting, joining PVC and polyols finen - "Karl Hanser Verlag, Munich 1972, p. 124).

Der Erfindung liegt die Aufgabe zugrunde, zwischen ge­ formten Polyolefinen und Kautschuk eine - als nicht herstellbare bezeichnete - Verbindung zu erzielen. Ge­ mäß der Erfindung wird dies dadurch erreicht, daß die geformten Polyolefine strahlenbehandelt und dann mit Kautschuk zusammenvulkanisiert werden.The invention is based, between ge polyolefins and rubber formed one - as not producible designated - to achieve connection. Ge  According to the invention this is achieved in that the molded polyolefins and then treated with Vulcanized rubber together.

Es ist bekannt, daß strahlenbehandelte Polyolefine sich durch wesentlich erhöhte Formbeständigkeit in der Wärme, die weit über dem Kristallitschmelzbereich des Rohmaterials liegen, sowie durch weitere Qualitäts­ verbesserungen auszeichnen, z.B. durch bessere Span­ nungsrißbeständigkeit und Lösungsmittelbeständigkeit, und sich wie elastischer Gummi benehmen (Domininghaus "Die Kunststoffe und ihre Eigenschaften", VDI-Verlag Düsseldorf 1976, S. 32).It is known that radiation treated polyolefins by significantly increased dimensional stability in the Heat well above the crystallite melting range of the raw material, as well as through further quality mark improvements, e.g. through better chip resistance to cracking and resistance to solvents, and behave like elastic rubber (Domininghaus "The plastics and their properties", VDI-Verlag Düsseldorf 1976, p. 32).

Die Erfindung besteht in der Erkenntnis, daß strahlenbehandelte geformte Polyole­ fine sich in den verschiedensten Dicken ohne weitere Vorbehandlung mit Kautschuk zu Formteilen oder Platten zusammenvulkanisieren lassen. Im Sandwich-Verfahren können mehrere Lagen zusammenvulkanisiert werden. Die Polyolefine und der Kautschuk sind mit vorbehandeltem Metall zusammenvulkanisierbar. Die Verbindung ist so gut, daß beim Schälversuch/Trennversuch die Trennung im Kautschuk stattfindet. Die hergestellte Verbindung ist also als "Festklebung" - feste Verbindung - im ein­ gangs erläuterten Sinn anzusehen.The invention is based on the knowledge that radiation-treated molded polyols fine can be vulcanized together in various thicknesses without further pretreatment with rubber to give molded parts or sheets. Several layers can be vulcanized together using the sandwich process. The polyolefins and the rubber can be vulcanized together with pretreated metal. The connection is so good that during the peeling test / separation test the separation takes place in the rubber. The connection produced is therefore to be regarded as a “fixed bond” - fixed connection - in the sense explained above.

In Weiterbildung der Erfindung werden die geformten Polyolefine durch ionisierende Strahlung vernetzt. Da­ durch werden die geformten Polyolefin-Teile unschmelzbar. Für eine Eindringtiefe von ca. 4 mm werden 1 MeV be­ nötigt.In a development of the invention, the shaped Polyolefins cross-linked by ionizing radiation. There the molded polyolefin parts become infusible. For a penetration depth of approx. 4 mm 1 MeV be compelled.

"Ionisierende Strahlung" ist nach DIN die Bezeichnung für eine Strahlung, die unmittelbar (direkt) oder mittel­ bar (indirekt) durch Stoß zu ionisieren vermag. Direkte ionisierende Strahlung besteht aus geladenen Teilchen, z.B. Elektronen, Positronen, Protonen, Deuteronen, Alphateilchen; indirekte ionisierende Strahlung be­ steht aus ungeladenen Teilchen, z.B. Neutronen, oder Photonen, die in der Lage sind, Energie auf geladene Teilchen zu übertragen, die ihrerseits durch Stoß zu ionisieren vermögen. "Vulkanisieren" ist das Verfahren der Umwandlung von Kautschuk aus dem vorwiegend pla­ stischen in den elastischen Zustand durch dreidimen­ sionales "Vernetzen"."Ionizing radiation" is the designation according to DIN for radiation that is direct (direct) or medium can ionize bar (indirectly) by impact. Direct  ionizing radiation consists of charged particles, e.g. Electrons, positrons, protons, deuterons, Alpha particles; indirect ionizing radiation be consists of uncharged particles, e.g. Neutrons, or Photons that are able to transfer energy to charged Particles to transfer, which in turn by impact ionize ability. "Vulcanizing" is the process the conversion of rubber from the predominantly pla in the elastic state by three dimensions regional "networking".

Als vulkanisierbare Kautschuke werden vorzugsweise ungesättigte Äthylen-Propylen-Compounds verwendet, die als Terkomponente Diene enthalten - EPDM -. Diese Kautschuke zeichnen sich durch gute Alterungs-, Ozon- und Kältefestigkeit aus.As vulcanizable rubbers are preferred unsaturated ethylene-propylene compounds used which contain diene as a tertiary component - EPDM -. These rubbers are characterized by good aging, Resistance to ozone and cold.

Die bevorzugten Polyolefine, bei denen das Verfahren nach der Erfindung angewendet wird, sind Polyaethylene, auch UHM-NDPE, und Polypropylene.The preferred polyolefins in which the process applied according to the invention are polyethylenes, also UHM-NDPE, and polypropylene.

Es ist bekannt, bei der Vulkanisation von Kautschuk Schwefel aus Vulkanisationsmittel, Zinkoxid als Be­ schleunigungsaktivator und Vulkanisationsbeschleuniger - Acceleratoren - zu verwenden. Dies geschieht auch in Ausgestaltung der Erfindung. Die Zusammenvulkanisa­ tion erfolgt mit Preßdruck bei ca. 150°C.It is known in the vulcanization of rubber sulfur from the vulcanizing agent, zinc oxide as Be schleunigungsaktivator and vulcanization accelerators - to use - Accelerators. This also happens in an embodiment of the invention. The vulcanization takes place with pressure at approx. 150 ° C.

Claims (9)

1. Verfahren zum Verbinden von geformten Polyolefinen mit Kautschuk, dadurch gekennzeichnet, daß die ge­ formten Polyolefine strahlenbehandelt und dann mit Kautschuk zusammenvulkanisiert werden.1. A method for joining molded polyolefins with rubber, characterized in that the molded polyolefins are radiation-treated and then vulcanized together with rubber. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß im Sandwich-Verfahren mehrere Lagen zusammen­ vulkanisiert werden.2. The method according to claim 1, characterized in that that in the sandwich process several layers together be vulcanized. 3. Verfahren nach Anspruch 1 oder 2, dadurch gekenn­ zeichnet, daß die Polyolefine, der Kautschuk und vorbehandeltes Metall zusammenvulkanisiert werden.3. The method according to claim 1 or 2, characterized records that the polyolefins, the rubber and pretreated metal can be vulcanized together. 4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die geformten Polyolefine durch ionisierende Strahlung vernetzt werden.4. The method according to any one of claims 1 to 3, characterized characterized in that the molded polyolefins by ionizing radiation. 5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß als vulkanisierbare Kautschuke ungesättigte Äthylen-Propylen-Compounds verwendet werden, die als Terkomponente Diene enthalten - EPDM -. 5. The method according to any one of claims 1 to 4, characterized characterized in that as vulcanizable rubbers unsaturated ethylene-propylene compounds are used which contain dienes as a tertiary component - EPDM -.   6. Verfahren nach einem der Ansprüche 1 bis 5, da­ durch gekennzeichnet, daß die vulkanisierbaren Kautschuke unter Verwendung von Schwefel, Zink­ oxid und Beschleunigern - Acceleratoren - mit den geformten Polyolefinen vulkanisiert werden.6. The method according to any one of claims 1 to 5, because characterized in that the vulcanizable Rubbers using sulfur, zinc oxide and accelerators - accelerators - with the molded polyolefins are vulcanized. 7. Verfahren nach einem der Ansprüche 1 bis 6, da­ durch gekennzeichnet, daß als Polyolefine Poly­ aethylene verwendet werden.7. The method according to any one of claims 1 to 6, there characterized in that as polyolefins poly aethylene can be used. 8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß ultrahochmolekulare Niederdruck-Polyaethylene verwendet werden - UHM-NDPE -.8. The method according to claim 7, characterized in that that ultra high molecular weight low pressure polyethylenes can be used - UHM-NDPE -. 9. Verfahren nach einem der Ansprüche 1 bis 6, da­ durch gekennzeichnet, daß als Polyolefine Poly­ propylene verwendet werden.9. The method according to any one of claims 1 to 6, there characterized in that as polyolefins poly propylene can be used.
DE19873737073 1987-10-31 1987-10-31 Process for joining moulded polyolefins to rubber Withdrawn DE3737073A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873737073 DE3737073A1 (en) 1987-10-31 1987-10-31 Process for joining moulded polyolefins to rubber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873737073 DE3737073A1 (en) 1987-10-31 1987-10-31 Process for joining moulded polyolefins to rubber

Publications (1)

Publication Number Publication Date
DE3737073A1 true DE3737073A1 (en) 1989-05-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0552620A2 (en) * 1992-01-08 1993-07-28 The Yokohama Rubber Co., Ltd. Rubber-rubber bonded composite structure
EP0797529A1 (en) * 1994-12-05 1997-10-01 Integrated Liner Technologies, Inc. Bonding cured elastomer to plastic and metal

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135851A1 (en) * 1981-09-10 1983-03-24 Continental Gummi-Werke Ag, 3000 Hannover Laminated body

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135851A1 (en) * 1981-09-10 1983-03-24 Continental Gummi-Werke Ag, 3000 Hannover Laminated body

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Z: Plastverarbeiter, Heft 3, 1957, S. 82-92 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0552620A2 (en) * 1992-01-08 1993-07-28 The Yokohama Rubber Co., Ltd. Rubber-rubber bonded composite structure
US5370915A (en) * 1992-01-08 1994-12-06 The Yokohama Rubber Co., Ltd. Rubber-rubber bonded composite structure
US5405690A (en) * 1992-01-08 1995-04-11 The Yokohama Rubber Co., Ltd. Rubber-rubber bonded composite structure
EP0552620B1 (en) * 1992-01-08 1999-08-04 The Yokohama Rubber Co., Ltd. Rubber-rubber bonded composite structure
EP0797529A1 (en) * 1994-12-05 1997-10-01 Integrated Liner Technologies, Inc. Bonding cured elastomer to plastic and metal
EP0797529A4 (en) * 1994-12-05 1999-04-07 Integrated Liner Technologies Bonding cured elastomer to plastic and metal
US6234335B1 (en) 1994-12-05 2001-05-22 Integrated Liner Technologies Inc. Sealable container and open top cap with directly bonded elastomer septum

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